Inpatient Procedure Code
0CWY77Z
Revision of Autologous Tissue Substitute in Mouth and Throat, Via Natural or Artificial Opening
Revision of Autol Sub in Mouth/Throat, Via Opening
Axis Breakdown
Every ICD-10-PCS code is exactly seven characters, one per axis. Each character's meaning is defined by its position in the code.
| Position | Value | Meaning |
|---|---|---|
| 1 | Section0 | Medical and Surgical |
| 2 | Body SystemC | Mouth and Throat |
| 3 | Root OperationW | Revision Correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device |
| 4 | Body PartY | Mouth and Throat |
| 5 | Approach7 | Via Natural or Artificial Opening |
| 6 | Device7 | Autologous Tissue Substitute |
| 7 | QualifierZ | No Qualifier |
Potential MS-DRG Relationships (FY2026)
The MS-DRG grouper treats this as an operating room procedure. It appears in the surgical logic of 9 MS-DRGs:
- MDC 03 — Other Ear, Nose, Mouth and Throat O.R. Procedures: DRG 143, DRG 144, DRG 145
- MDC 21 — Other O.R. Procedures for Injuries: DRG 907, DRG 908, DRG 909
- MDC 24 — Other O.R. Procedures for Multiple Significant Trauma: DRG 957, DRG 958, DRG 959
From the CMS MS-DRG Definitions Manual, Appendix E. Actual DRG assignment depends on the complete claim.